JPH05190B2 - - Google Patents

Info

Publication number
JPH05190B2
JPH05190B2 JP58178952A JP17895283A JPH05190B2 JP H05190 B2 JPH05190 B2 JP H05190B2 JP 58178952 A JP58178952 A JP 58178952A JP 17895283 A JP17895283 A JP 17895283A JP H05190 B2 JPH05190 B2 JP H05190B2
Authority
JP
Japan
Prior art keywords
piston
switching valve
liquid chamber
chamber
hydraulic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP58178952A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6070297A (ja
Inventor
Akinori Oota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Co Ltd
Original Assignee
Furukawa Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Furukawa Co Ltd filed Critical Furukawa Co Ltd
Priority to JP17895283A priority Critical patent/JPS6070297A/ja
Publication of JPS6070297A publication Critical patent/JPS6070297A/ja
Publication of JPH05190B2 publication Critical patent/JPH05190B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP17895283A 1983-09-27 1983-09-27 液圧式打撃機構 Granted JPS6070297A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17895283A JPS6070297A (ja) 1983-09-27 1983-09-27 液圧式打撃機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17895283A JPS6070297A (ja) 1983-09-27 1983-09-27 液圧式打撃機構

Publications (2)

Publication Number Publication Date
JPS6070297A JPS6070297A (ja) 1985-04-22
JPH05190B2 true JPH05190B2 (pm) 1993-01-05

Family

ID=16057523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17895283A Granted JPS6070297A (ja) 1983-09-27 1983-09-27 液圧式打撃機構

Country Status (1)

Country Link
JP (1) JPS6070297A (pm)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205077A (en) * 1981-06-12 1982-12-16 Furukawa Kogyo Kk Converting mechanism for piston stroke of hydraulic type impact tool

Also Published As

Publication number Publication date
JPS6070297A (ja) 1985-04-22

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